Two of the council workers on ride-on lawnmowers suffered serious injuries, police say.
Emergency crews were unable to reach a crash scene due to motorists blocking a hard shoulder.
Harry Parker died in 2022 after being hit by a driver who had never passed her test.
The model, 23, was spotted in Westminster at a red light with a dog loose in the supercar.
The court heard how the keeper was pulled over by police after an officer spotted him on his phone.
Use of journey cams has led road users to report bad driving to the police or post it online.
Reporter who passed her test 40 years ago asks if she is still a competent driver.
The Pathfinders Initiative allows teenagers aged between 15 and 17 to drive under supervision.
New drivers are at risk of dying on the roads - but the numbers don't tell the whole story.
